two cars a and b start from a point p a starts 20minute before b.a moves at 42 kmph and b moves at 44kmph.at what distance will car b overtake car a
Answers
Given : Two cars A & B start from point P
A start 20 minute before B
A Moves at 42 km/hr
B moves at 44 km/hr
To Find : what distance will car B overtake car A
Solution:
Let say After T Hr of Car B moves , Car B catches/overtake Car A
Distance covered by Car B = 44T km
Car A start 20 minute before Car B
20 Minutes = 20/60 hrs = 1/3 Hrs
Car A Moves for T + 1/3 Hrs
Distance covered by Car A = 42 ( T + 1/3)
= 42T + 14 km
44T = 42T + 14
=> 2T = 14
=> T = 7
=> 44T = 44 x7 = 308 km
At 308 km car B overtake car A
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369Answer:
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